Fast-forward to Pennsylvania, where I find myself today. 快进到宾州，我现在住的地方。 I teach at the Science Leadership Academy, 我在科学领导学院教书， which is a partnership school between the Franklin Institute and the scho
Statement by the President on Legislation to Address Crisis in Financial Markets Over the weekend, members of my Administration and congressional leaders worked on legislation to address the crisis in
From the deserts of North Africa to the islands of the South Pacific one third of all mankind has entered upon an historic struggle for a new freedom; freedom from grinding poverty. 从北非的沙漠到南太平洋的岛屿，全人类
Hi, everybody. If you've ever played a game of basketball in a gym, or entered a contest in school, or started a small business in your hometown, you know that competition is a good thing.It pushe
